When the earth’s sun would die, it would change into a ____________ a) Supernova b) Nebula c) White dwarf d) Red giant
Q: Hertzsprung-Russell Diagram Blue or blue White Vellow Red-orange Red Rigel Beteignuse Aldebaran…
A: As it can be seen from Hertzsprung-Russell diagram that the y axis represents brightness which…
Q: Stars begin their life cycle in a O black hole O nebula O nova O supernova
A: Answer:) star begin their life cycle in a nebula
Q: After a supernova explosion, the remaining core will collapse to form a neutron star if the mass of…
A: After a supernova explosion, the remaining core will collapse to form a neutron star if the mass of…
Q: 6) Estimate the distance to the star Aldebaran with absolute magnitude -0.641 and apparent magnitude…
A: The absolute magnitude is the magnitude of a celestial object if it was observed from a distance of…
Q: A young star of several solar masses is called as ____________ a) LBV1806-20 b) Mira c) Cepheid…
A: To find: young star of several solar masses is called as
Q: Stars which appear single to the naked eye but are double when seen through a telescope are: A.…
A: Stars which appear single to the naked eye but are double when seen through a telescope are called…
Q: Nuclear fusion occurs during most of a star's life O True False
A: Answer :- ---------- True Nuclear fusion occurs during most of a stars life. Because It is the…
Q: Multiple choice a) After about 10 billion years on the main sequence a one solar mass star will…
A: A star is a celestial body made up of a bright sphere of plasma that is kept together by gravity.
Q: Hertzsprung-Russell Diagram Blue or blue w White Vellow Red orange Red Rioe Supergl Beteigeuse Main…
A: The region of main sequence contains large number of stars than any other region. Therefore most of…
Q: Two stars are in a closely orbiting binary system. The smaller star (a K-type main sequence star)…
A: The correct option. Following the mass transfer, which of the following is now true of the main…
Q: The last nuclear reaction in the core of massive stars that uses energy rather than producing energy…
A: When the Helium in the core of the massive stars exhausts, the evolution of stars is different from…
Q: A star is observed with a surface temperature of 3,000 K and a luminosity of 100,000 solar…
A: Given , Temperature = 3000 K Solar Luminosity = 100,000 Now , mass and luminosity are related by…
Q: What are the approximate spectral type, temperature, absolute magnitude number, and luminosity of…
A: Required : Spectral type, absolute magnitude, temperature and luminosity of star E.
Q: Orbital Period= Orbital Radius= Brightness Drop= Planet Radius= Doppler Shift = Velocity = yrs AU %…
A: We know the formula of orbital period T = 2πR3GMWhere R = 2615.42 RsunR = 2615.42 ×696340×103m =…
Q: The Hertzsprung-Russel Diagram (Figure 4) shows patterns of __, __, and __ of __ a. distance,…
A: Hertzsprung Russel diagram shows the different stages in the life of a star. It basically shows the…
Q: What is the next stag cycle? - Supernova - Neutron Star
A: The sun is the source of heat and light and the midpoint and for the solar system. It is made up of…
Q: Giant and supergiant stars are 10 to 1,000 times larger in diameter than the sun and a. are half…
A: Given statement : "Giant and supergiant stars are 10 to 1,000 times larger in diameter than the…
Q: s rotational period?
A:
Q: What do you mean by white dwarfs?
A: Given What do you mean by white dwarfs, as following below.
Q: Stars that contract the quickest to land on the zero-age main sequence on the H–R diagram a. are…
A: Zero Age Main Sequence (ZAMS) is the time when a star first joins the main sequence on the…
Q: 10 to 1,000 solar masses.
A: HI regions: HI region is a cloud in the interstellar medium composed of neutral (non-ionized)…
Q: An explosive, although nondestructive, event on the surface of a white dwarf that is part of a…
A: d. nova
Q: Objects in binary systems consist of a neutron star accumulating material from another star on its…
A: Answer:b) X-ray bursters. X-ray bursters are basically are one class of X-ray binary stars…
Q: Pulsars result from a. expanding red giant stars b. white dwarf supernovas c. spinning neutron…
A: A pulsar is a neutron star that spins and releases concentrated beams of radiation from its poles.…
Q: 2. The Crab pulsar radiates at a luminosity of $1 \times 10^{31} \mathrm{~W}$ and has a period of…
A: (a) To determine the rate at which the period is increasing and how long it will take to double:Step…
Q: An endothermic reaction leads to, a) T-Tauri Star b) Supernovae c) Protostar d) Hydrostatic…
A: Required :: An endothermic reaction leads to ...
Q: Hertzsprung-Russell Diagram Blue or blue-white White Yellow Red-orange Red O Rigel Supergiants…
A: Option a is the right answer Red color of the stars have lowest surface temperature
Q: The nebula formed when a dying sun sized star begins to shed its outer layer is called as…
A: D
Q: What is the color of the stars shown on the diagram that have the lowest surface temperature? O red…
A: Required: Color of the stars,
Q: Which of the following will occur to our Sun at some point in the future? (Select all that apply)…
A: The sun does not have that much mass to be exploded as a supernova.
Q: Stars A and B both have the same spectral class. Star A is 7 times farther away than star B. The…
A:
Q: Sn1604 a supernova in the year 2000 the age then was 396 years calculate the speed of expansion of…
A: Sn1604 a supernova in the year 2000 the age then was 396 years.If Kepler’s supernova expanded ar…
Q: The sun will eventually cease fusing nuclei in it interior and will then be dead what general term…
A: When the fusion in the core of sun ceases but still illumines due to helium carbon transformation,…
Q: 50,000 20,000 Surface Temperature (C) Would the surface temperature of the stars classified as white…
A: Surface temperature of white dwarfs is around 20000K And for giant it is 2500 to 4000K
Q: A less massive star will usually live longer than a more massive star O True O False
A: In star hydrogen is the fuel
Q: Supernova C is 10 times farther away than supernova D. The brightness of supernova C will be…
A:
When the earth’s sun would die, it would change into a ____________
a) Supernova
b) Nebula
c) White dwarf
d) Red giant
Step by step
Solved in 2 steps
- Which stars have the longest period of variability? a. RR Lyrae b. Type I (classical) Cepheids c. Type II Cepheids d. main-sequence stars e. All have the same period.The section of the H–R diagram where the Cepheid variables reside is the a. birth line. b. zero-age main sequence. c. instability strip. d. horizontal branch. e. white dwarf region.List the following 5 terms in order through a stars life cycle (starting with the sun), through the remainder of its lifetime: a. Black dwarf b. Planetary nebula c. Red giant d. Star (Sun) e. White dwarf
- A shell of gas slowly ejected by a giant star is known as a a. supernova remnant. b. nova remnant. c. planetary nebula. d. reflection nebula.Hertzsprung-Russell Diagram Blue or blue-white White Yellow Red orange Red O Rigel Superglants Betelger Main Sequence ANdetaran Glants Caur Sirus 5 White Dwarfs 50,000 20,000 10,000 6,000 5,000 3,000 Surface Temperature (C) Would the surface temperature of the stars classified as white dwarfs be generally higher or lower than that of the stars classified as giants? O higher O lower 29 30 31 32 33 34 35 36 37 ere to search -6useanu33) A star is observed to be having an absolute magnitude of -5.6 and is located at a distance of 159.96 pc. Estimate the apparent magnitude
- After a supernova explosion, the remaining core will collapse to form a black hole if the mass of the core is a. less than one solar mass b. more than 3 solar masses c. between 1 and 1.5 solar masses d. between 1.5 and 3 solar masses6) Using parallax from the ground to determine the distances to stars becomes impossible due to atmospheric disturbances at a distance of about: a. 10 parsecs b. 100 parsecs c. 500 parsecs d. 60 parsecs e. 2 parsecsPlanets around stars other than the sun have recently been discovered by: * A. The variation in the Doppler shift in the star's spectrum. B. The astrometric motion of the stars on the sky. C. Direct imaging D. It is impossible to detect planets around other stars
- The brightest nebula in the sky is __________ a) Orion b) Pleiades c) Cepheid d) TrifidWhen the hydrogen fuel ends up in a star, it ___________a) Contractsb) Expandsc) Explodesd) Stops shiningThe maximum mass limit for a ________________ is 1.4 solar masses. a. red dwarf b. white dwarf c. neutron star d. black hole